Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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The Sialon Synthesis from Natural Silica and Al Powder Mixture by Using Home-style Microwave Oven

가정용 전자렌지를 사용한 천연규석분말과 Al분말 성형체로부터 사이알론상 합성에 관한 연구

  • 안주삼 (요업기술원 정밀요업과)
  • Published : 1997.01.01
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Abstract

In home-style microwave oven, silica-Al powder mixture was ignited among pellets and combustion wave-front propagated to produce Si+AIN+Al2O3 as resultant phases under N2 atmosphere. Without cooling pro-cedure the resultant phases of Si+AIN+Al2O3 continously absorbed microwave and were heated to be syn-thesized into sialon phases. This synthesis rate of sialon phases from silica-Al powder mixture in home-style microwave oven was higher than that in conventional furnace, and total processing time was around 1 hour, which could save energy and cost.

가정용 전자 렌지를 사용하여, SiO2-Al 분말 성형체로 이루어진 시편을 질화분위기에서 점화시켰다. 연소파대가 전파되면서 미반응물없이 Si와 AIN와 Al2O3를 석출하였으며, 냉각과정을 거치지 않고 곧바로 석출물들이 마이크로파를 흡수하여 고온에서 가열되어서 사이알론상을 합성하였다. 전자렌지안에서 SiO2-Al 분말성형체로부터 사이알론상들의 합성율은 일반적인 로내에서의 합성율보다 높았고, 공정시간이 불과 1시간내외에 이어서 에너지와 제조경비를 절약할 수 있었다.

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References

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